<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<script>
			
			function fool (e) 
			{
			console.log(e)
			
			console.log(e.key)
			console.log(e.code)
			if(e.ctrlkey && e.shiftkey && e.altkey)
			{
			alert("你刚才按住了ctrl+shift+alt")
			}
			}
			document.onkeydown =fool;
			
			
		</script>
		
		
		
		
		
		
	</body>
</html>